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Gastroenterology

John M. De Witt, MD

Works at hospitals in Indianapolis, IN · Indiana

Summary

John M. De Witt, MD (Gastroenterology) is listed by Medicare at 1 hospital in Indianapolis, IN. NPI 1346204401. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John M. De Witt, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
MaleGender (as listed)
IU Health Medical Group LLCGroup practice

Quick answers

Which hospitals does John M. De Witt work at?
Medicare's official clinician data lists John M. De Witt at 1 hospital: Indiana University Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John M. De Witt see patients?
Medicare's clinician data lists 1 practice location in Indianapolis, IN. Call before your visit to confirm the address.
What is John M. De Witt's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does John M. De Witt accept Medicare assignment?
Yes. Medicare's clinician data says John M. De Witt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does John M. De Witt offer telehealth?
Medicare's clinician data says John M. De Witt offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John M. De Witt?
(317) 962-2000, as listed in official Medicare / NPI Registry data.
What is John M. De Witt's NPI number?
1346204401. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John M. De Witt works

Medicare's Facility Affiliation Data lists John M. De Witt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John M. De Witt is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John M. De Witt as a member of this group (CMS data updated 2026-10-02).

  • IU Health Medical Group LLC4,462 clinicians in the group

Specialties

Find other Gastroenterology doctors in Indiana →

Other gastroenterologists in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All gastroenterologists in Indianapolis →

Clinician information

CredentialMD
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346204401
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians